It is most important to allow the brain the full measure of sleep which is required to restore it; for sleep is to a man's whole nature what winding up is to a clock.
Most people believe that the Christian commandments, e.g. to love one's neighbor as oneself, are intentionally a little too severe - like setting a clock half an hour ahead to make sure of not being late in the morning.
You look at a clock and it tells you it's eight o'clock, you know the number of hours that has been before eight; you know the number of hours you've got after eight. You can now measure your time to see if you can get done a number of things you've got to get done. History serves the same purpose.
Even a stopped clock is right twice every day. After some years, it can boast of a long series of successes.
Boys do not grow up gradually. They move forward in spurts like the hands of clocks in railway stations.
A golf ball is like a clock. Always hit it at 6 o'clock and make it go toward 12 o'clock. But make sure you're in the same time zone.
My aim is to say that the machinery of the heavens is not like a divine animal but like a clock (and anyone who believes a clock has a soul gives the work the honour due to its maker) and that in it almost all the variety of motions is from one very simple magnetic force acting on bodies, as in the clock all motions are from a very simple weight.
No life goes past so swiftly as an eventless one, no clock spins like a clock whose days are all alike.
Trying to determine what is going on in the world by reading newspapers is like trying to tell the time by watching the second hand of a clock.
Man is evolving...but it's difficult to see his progress with a Western perception of time. The Hindus think of time in much larger segments. They watch the hour hand of the clock while we in the West are preoccupied with the second hand.
If the universe is running down like a clock, the clock must have been wound up at a date which we could name if we knew it. The world, if it is to have an end in time, must have had a beginning in time.
Using the Product Development Waterfall diagram for Customer Development activities is like using a clock to tell the temperature. They both measure something, but not the thing you wanted.